Home / 1,392,260.96-2,088,652.80-445,377.44

Finding the Fourth Proportional to 1,392,260.96, 2,088,652.80 and 445,377.44

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Solution

The fourth proportional to 1,392,260.96, 2,088,652.80 and 445,377.44 is: 668,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,260.96 : 2,088,652.80 = 445,377.44 : x
  2. Step 2: Convert to fraction form
    1,392,260.96/2,088,652.80 = 445,377.44/x
  3. Step 3: Cross multiply
    1,392,260.96x = 2,088,652.80 × 445,377.44
  4. Step 4: Simplify right side
    1,392,260.96x = 930,238,837,112.83
  5. Step 5: Solve for x
    x = 930,238,837,112.83/1,392,260.96
  6. Step 6: Final answer
    x = 668,149.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.